CVE-2025-43979

Description

An issue was discovered on FIRSTNUM JC21A-04 devices through 2.01ME/FN that allows authenticated attackers to execute arbitrary OS system commands with root privileges via crafted payloads to the xml_action.cgi?method= endpoint.

Category

7.4
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.03%
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/actuator/cve/tree/main/Firstnum
https://github.com/actuator/cve/blob/main/Firstnum/CVE-2025-43979.txt

Frequently Asked Questions

What is the severity of CVE-2025-43979?
CVE-2025-43979 has been scored as a high severity vulnerability.
How to fix CVE-2025-43979?
To fix CVE-2025-43979, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-43979 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-43979 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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